add invalid config

configs/invalidconfig.json

@@ -0,0 +1,16 @@
+{
+    "provider": "Azure",
+    "description": "Azure estimates based on April 2019 advertised prices",
+    "CPU": "0.03900asd",
+    "spotCPU": "0.007764", 
+    "RAM": "0.001917", 
+    "spotRAM": "0.000382",
+    "storage": "0.00005479452" ,
+    "zoneNetworkEgress": "0.01",
+    "regionNetworkEgress": "0.01",
+    "internetNetworkEgress": "0.0725",
+    "azureSubscriptionID": "",
+    "azureClientID": "" ,
+    "azureClientSecret": "" ,
+    "azureTenantID": ""
+}